A-ARMS
- Thread starter graham_r
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I have run both widths that we make on the same sled for comparison. The 42” felt more comfortable on the trail and it also felt supper good out in meadows doing wide turns and all types of maneuvers when you had some momentum to overcome the weight of the sled. In these conditions it made the sled feel les tippy and better mannered.
I like the 39” more for tree riding and side hilling. It is defiantly tippier, more like sitting on a sideways barrel. I use less energy this way because I balance the sled instead of having to pull side to side on it. Better for any off camber turns or any situation where you need to pull the sled onto one ski and hold it there. It also sets the front of the sled up a little higher and that is also better for side hilling. I like to tree ride so I chose the 39” for myself.
Allen
I like the 39” more for tree riding and side hilling. It is defiantly tippier, more like sitting on a sideways barrel. I use less energy this way because I balance the sled instead of having to pull side to side on it. Better for any off camber turns or any situation where you need to pull the sled onto one ski and hold it there. It also sets the front of the sled up a little higher and that is also better for side hilling. I like to tree ride so I chose the 39” for myself.
Allen
X2 what Allen said, I have had both on my sled as well. I ride the mountains and like to boondock, the 39" is much easier to side hill with.
The 43" is very stable on the trail, but the 39" works pretty good also.
In the end, I sold the 43" and kept the 39" on my sled, mainly because it works better for the type of riding I like to do!
Bill
The 43" is very stable on the trail, but the 39" works pretty good also.
In the end, I sold the 43" and kept the 39" on my sled, mainly because it works better for the type of riding I like to do!
Bill
Obviously the 42" is going to be more stable at high speeds on the trail, but what will the sled act like with a 39" in a long pull or chute climb? A guy I ride with has a 09 that has no sway bar and it handles horribly when descending. I Really want to avoid that. Is that what a 39" will do? I know exactly what you are talking about with the balance point and not having to yard on the sled to get it up on one ski.
Why did Yamaha go to the wider ski stance in 2010? And the Ski-doo freeride has a wider stance then the regular summit. Same with the Arctic Cat HCR, it is wider then the stock or sno-pro
Thanks
Graham
Why did Yamaha go to the wider ski stance in 2010? And the Ski-doo freeride has a wider stance then the regular summit. Same with the Arctic Cat HCR, it is wider then the stock or sno-pro
Thanks
Graham
Down hill stability is good, although I don't do a lot of steep chute stuff!
It is probably worth mentioning that I have Float X shocks on it also and they do help with stabilty by adjusting the clickers.
Not sure if your buddy has the stock front end on his 09 but the 09 XTX, 10 MTX and most aftermarket spindles have more trail built in to them, when compared to the stock 08-09 Nytro spindles. More trail (the distance between where the ski mounts and a straight line down through the ball joints) usually improves down hill stability.
The 39" front end on my sled measures out to 39 1/2" with the ball joints screwed all the way in. There is some adjustability in the ball joints, so a guy could set it up slightly wider if desired.
I ride in mostly heavier snow out here in the Pacific Northwest mountains and the 39" front end "feels" much lighter then the 43". In dry powder the difference between the two is still noticable, but to a lesser degree.
I believe the 2010 MTX has a ski stance of 40 1/2ish, but without a sway bar.
Bill
It is probably worth mentioning that I have Float X shocks on it also and they do help with stabilty by adjusting the clickers.
Not sure if your buddy has the stock front end on his 09 but the 09 XTX, 10 MTX and most aftermarket spindles have more trail built in to them, when compared to the stock 08-09 Nytro spindles. More trail (the distance between where the ski mounts and a straight line down through the ball joints) usually improves down hill stability.
The 39" front end on my sled measures out to 39 1/2" with the ball joints screwed all the way in. There is some adjustability in the ball joints, so a guy could set it up slightly wider if desired.
I ride in mostly heavier snow out here in the Pacific Northwest mountains and the 39" front end "feels" much lighter then the 43". In dry powder the difference between the two is still noticable, but to a lesser degree.
I believe the 2010 MTX has a ski stance of 40 1/2ish, but without a sway bar.
Bill
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I can only assume that his spindles are stock. Without the sway bar it handles horrible on the trail as well. Stock shocks.
I have Fox Float 2 on my sled. When you mention trail is that the same as caster? The angle of the Spindle On a vertical? Perfectly plumb would be less trail or caster? And rolling the top of the spindel back would be more trail or Caster?
I live in Squamish so we ride the same snow. Wet and Heavey
Graham
Angle of the spindle from vertical, forward and aft would be caster. It is mearsured in degrees by comparing an imaginary straight line through the upper and lower ball joints and referencing it to true vertical.
For example if the upper ball joint is located directly above the lower ball joint, the caster would be 0 degrees.
When the upper ball joint is rearward of the lower, then there is positive caster.
One way to visualize trail, would be to set a straight edge up again'st the spindle, align it with the center points of the ball joints (you can also see caster this way).Then when looking at the spindle from the side, comparing the distance between where the straight edge comes down and the center point of the ski mounting bolt. The greater the distance the more trail there is.
Trail is a fixed amount controlled by the shape of the spindle. The caster is controlled by the shape of the A-arms and sub-frame. Camber (top ball joint in or out) is controlled by shape of the A-arms, sub-frame and suspension ride height.
Bill
For example if the upper ball joint is located directly above the lower ball joint, the caster would be 0 degrees.
When the upper ball joint is rearward of the lower, then there is positive caster.
One way to visualize trail, would be to set a straight edge up again'st the spindle, align it with the center points of the ball joints (you can also see caster this way).Then when looking at the spindle from the side, comparing the distance between where the straight edge comes down and the center point of the ski mounting bolt. The greater the distance the more trail there is.
Trail is a fixed amount controlled by the shape of the spindle. The caster is controlled by the shape of the A-arms and sub-frame. Camber (top ball joint in or out) is controlled by shape of the A-arms, sub-frame and suspension ride height.
Bill
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P
Pro116
Member
Check out www.oftracing.com for the new skinz front end.
It drastically changes the geometry of the front end.They are also a timbersled dealer.
It drastically changes the geometry of the front end.They are also a timbersled dealer.
Are guys swapping out their stock spindles to run xtx spindles? or do they just go with Timbersled front end
Graham
I have looked into the new Skinz front end. Looks pretty sweet. I dont have a Timbersled rear suspension, and am concerned that not having the right rear skid will make things not handle to their full potential.
I'm using stock XTX spindles that I modified to fit the TS front end. Mainly because I already had them and wanted to give them a try.
The XTX spindle has more trail then the early (pre-2010 TS spindle).
The 2010 and latter TS spindle trail is similar to the stock XTX spindle. I had a set of 2010 TS spindles and the pre-2010 TS spindles.
Had I not already modified the stock XTX spindle, I would just use the 2010 TS spindle. Instead I included 2010 TS spindles in with the wide front end kit that I sold to a guy back in the mid-west.
Bill
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